Note: Pre-heating three rods for hot heading

Objective:

Simultaneously heat three inconel rods to 2150ºF (1176ºC) 

End Product:

Inconel rods

Equipment:

  • Ambrell 40 kW induction heating system, equipped with a remote workhead containing three 0.75µF capacitors for a total of 0.25µF
  • An induction heating coil designed and developed specifically for this application. 

Materials:

3 inconel rods 1.0” (25.4mm) OD, 8.0” (203.2mm) length 

Temperature:

2150 ºF (1176ºC)

Frequency:

135 kHz

Testing:

A three-station helical coil is designed for this application with seven turns at each station. The Inconel rods are placed inside the coils and power is applied for twenty two seconds. A five second heat soak is recommended to allow heat to penetrate to the center of the rod. 

Benefits:

  • Improved production rates with minimal defects

  • Reduced need for post production tempering and heat treating

  • Even distribution of heating

Pre-heating three rods for hot heading

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